19690768

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42437}}^1$

素因数の和:42474

約数の個数: 20

約数和(自身を含む): 39467340

約数和(自身を除く): 19776572

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42437, 84874, 169748, 339496, 678992, 1230673, 2461346, 4922692, 9845384, 19690768]

約数ペア:

[(1, 19690768), (2, 9845384), (4, 4922692), (8, 2461346), (16, 1230673), (29, 678992), (58, 339496), (116, 169748), (232, 84874), (464, 42437)]